/*公共样式--开始*/
html,
body,
div,
ul,
li,
h1,
h2,
h3,
h4,
h5,
h6,
p,
dl,
dt,
dd,
ol,
form,
input,
textarea,
th,
td,
select {
  margin: 0;
  padding: 0;
}
* {
  box-sizing: border-box;
}
html,
body {
  min-height: 100%;
}
body {
  font-family: "Microsoft YaHei";
  font-size: 14px;
  color: #333;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
}
ul,
ol {
  list-style: none;
}
img {
  border: none;
  vertical-align: middle;
}
a {
  text-decoration: none;
  color: #232323;
}
table {
  border-collapse: collapse;
  table-layout: fixed;
}
input,
textarea {
  outline: none;
  border: none;
}
textarea {
  resize: none;
  overflow: auto;
}
.clearfix {
  zoom: 1;
}
.clearfix:after {
  content: ".";
  width: 0;
  height: 0;
  visibility: hidden;
  display: block;
  clear: both;
  overflow: hidden;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.tl {
  text-align: left;
}
.tc {
  text-align: center;
}
.tr {
  text-align: right;
}
.ellipse {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.inline {
  display: inline-block;
  *display: inline;
  *zoom: 1;
}
body {
  width: 100%;
  height: 100%;
  background-color: #25292d;
}
body header {
  height: 72px;
  border-bottom: 1px solid #666;
  position: relative;
}
body header .header-img-l {
  padding: 10px 20px;
}
body header .header-img {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}
body nav.container-fluid {
  height: 80px;
  line-height: 80px;
}
body nav li a {
  color: #5d646f;
}
body nav li a.nav-link {
  padding: 0;
  margin: 0 40px;
}
body nav li a.active {
  color: #fff;
  border-bottom: 3px solid #685995;
}
body nav li a:hover {
  color: #fff;
  border-bottom: 3px solid #685995;
}
body .main {
  color: #fff;
}
body .main .main-header {
  height: 105px;
  line-height: 105px;
  background-color: #1e2125;
}
body .main .main-header .font-bold {
  font-size: 25px;
  font-weight: bold;
}
body .main .main-header img {
  border-radius: 50%;
}
body .main .main-header .text-right {
  color: #666;
  text-align: right;
}
body .main .main-header .text-right a {
  display: inline-block;
  width: 110px;
  height: 50px;
  line-height: 50px;
  color: #fff;
  text-decoration: none;
  font-size: 20px;
  background-color: #9579db;
  text-align: center;
  border-radius: 25px;
}
body .main .main-body .d-flex-item {
  min-height: 500px;
  background: url(切片图片/main_1.jpg) no-repeat;
  background-size: cover;
  text-align: center;
  margin-top: -10px;
}
body .main .main-body .d-flex-item h1 {
  margin-top: 200px;
}
body .main .main-body .d-flex-item p {
  padding: 10px 0;
}
body .main .main-body .d-flex-item button.btn {
  border-radius: 1rem;
}
body .main .main-body .d-flex-item:nth-of-type(2) {
  background: url(切片图片/main_2.jpg) no-repeat;
  background-size: cover;
}
body .main .main-body .d-flex-item:nth-of-type(3) {
  background: url(切片图片/main_3.jpg) no-repeat;
  background-size: cover;
}
body .main .main-body .d-flex-item:nth-of-type(4) {
  background: url(切片图片/main_4.jpg) no-repeat;
  background-size: cover;
}
body footer {
  width: 100%;
  height: 90px;
  line-height: 90px;
  background-color: #25292d;
}
body footer .navbar-nav {
  justify-content: space-around;
  flex-direction: row;
  text-align: center;
}
body footer .navbar-nav li {
  width: 20%;
}
body footer .navbar-nav li:nth-child(1) {
  background-color: #202428;
}
body footer .navbar-nav li:hover {
  background-color: #202428;
}
